Geoscience Reference
In-Depth Information
9
Map Projections
Keywords: Projection(s) (133), map (66), globe (26), plane (24), paral-
lels (20)
A map is the greatest of all epic poems.
Its lines and colors show the realization of great dreams.
Gilbert H. Grosvenor, Editor
National Geographic Magazine, 1899-1954
9.1 Introduction
The only commonly used, dimensionally true representation of the Earth, free
of distortion, is a globe. Maps, whether on paper or on a computer screen,
are flat. The transformation by which geographic locations (latitude and
 
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